Electric heating hair straightener



FIG. 1 is a front side perspective view of an electric heating hair straightener, showing my design.

FIG. 2 is a rear side perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged detail view of the structure of the electric heating hair straightener shown inside the broken-line circle in FIG. 2; and,

FIG. 10 is an enlarged detail view of the structure of the electric heating hair straightener shown inside the broken-line circle in FIG. 10.

The dash-dot-dash broken-line circles are boundaries to the structure to be shown in the enlarged detail views. The boundaries, as well as the features shown in evenly incremented broken lines, form no part of the claimed design. 

CLAIM The ornamental design for an electric heating hair straightener, as shown and described. 